一个水分子的形状是这样的：相邻地四个水分子组成一个金字塔形的四面体。
The shape of a water molecule is such that each H2O molecule is surrounded by four neighbours arranged in the shape of a triangular pyramid - better known as a tetrahedron.
当射线轰击化石时，反弹回的信号的强度取决于每一个分子的形状和大小，以及它所处的化学环境造成的细微影响。
When the rays hit the fossil, the signal that bounces back depends on the shape and size of each molecule, and how it is being subtly influenced by the chemicals surrounding it.
为了利用这种基质金属蛋白酶，钱博士将他的荧光染料和一些正电荷一同连接在一个小的发夹形状的蛋白质分子的一端。
To make use of the MMPs, Dr. Tsien attaches his fluorescent dye, along with some positive charges, to one side of a small hairpin-shaped protein molecule.
据物理组织网1月10日报道，牛津大学科学家解开了一个掩盖五十年的谜：糖分子如何、为什么以及是否确实会改变自己的形状。
(PhysOrg.com) -- Oxford University scientists have solved a 50-year-old puzzle about how, why or indeed if, sugar molecules change their shape.
这个想法是，每一个进入我们的鼻子的气味分子都有一个特定的形状，相互吻合的特定受体——就像锁和钥匙一样——使我们能够感知，例如感知焦咖啡的刺鼻气味。
The idea is that every odor molecule that enters our nose has a specific shape that fits a specific receptor-like a key fits a lock-allowing us to detect, say, the acrid aroma of burnt coffee.
为了利用这种基质金属蛋白酶，钱博士将他的荧光染料和一些正电荷一同连接在一个小的发夹形状的蛋白质分子的一端。
To make use of the MMPs Dr Tsien attaches his fluorescent dye, along with some positive charges, to one side of a small hairpin-shaped protein molecule.
这种蛋白质的分子多少像个球形，构成该蛋白质的氨基酸链的不同部分之间有内部交叉联结，正是这种力量使这些分子保持那种形状。
The molecules of this protein are more or less globular, and are held in that shape by internal cross-links between different parts of the amino-acid chain of which the protein is composed.
不停变化的水分子瀑布在龙卷中旋转，时刻改变着漩涡的形状。
An ever changing cascade of water molecules swirls through the tornado, transmuting the whirlpool's being from moment to moment.
都灵教授说这些发现与分子形状决定嗅觉的假设不一致。
The findings are inconsistent with a shape-only model for smell, says Turin.
我们的研究兴趣集中于脊椎动物发育过程中，调控其骨骼形状和结构的分子基础。
The focus of our research interest is on the molecular basis by which form and structure of the skeleton are regulated during vertebrate development.
然而，动力学因素，它决定了分子达到其最有利的形状的速度，事实上，指数依赖与温度。
However, a kinetic factor, which determines the speed with which the molecules change their configuration to the most favorable, is largely-in fact, exponentially-dependent on temperature.
热力学提供了动力使塑料分子重新调整自己使其达到最有利的形状。
Thermodynamics provides a driving force to molecules of plastic to reorient themselves to the most energetically favorable configuration of the molecules.
核蛋白晶体构造是一种由三条大型分子链组成的三聚体，每一条支链形状就象鸡冠一样。
The crystal structure of the nucleoprotein is a trimer, with each monomer molecule shaped like a crescent.
液晶固定液的分离机理与大多数常现固定液不同，主要是根据分子的几何形状。
The separation mechanism of liquid-crystal solvents is different from that of most other common GLC solvents.
有固定形状、体积，有固定分子排列结构的物质称为固体。
Solids have a foxed shape and volume, particles are arranged in a fixed structure.
DNA是一种像螺旋阶梯样形状的双链分子。
DNA is a double stranded molecule shaped like a spiral staircase.
大分子的输运物质流决定于其分子量、密度、分子尺寸和形状。
The mass flux of macromolecules ia solution depends on molecular weight, polymer density, molecular size and shape.
如果要做出这样的变化，你会发现，分子的生物形状，和化学性质完全改变了。
If you were to make that change you would find that the molecule now has completely different biological and chemical properties.
在自然和实验中，许多具有多面体形状的生物分子已被发现和合成，为了研究其潜在的数学机理，多面体链环被提出。
Many biomolecules with polyhedral shape have been discovered and synthesized in the nature and experiment, polyhedral links are presented to study their underlying mathematical mechanism.
对于吸附在表面的分子，人们就希望知道这些分子的几何形状。
For a molecule adsorbed on the surface one would like to know the geometry of the molecule.
骨架模型提供了分子骨架形状的极好图象。
Framework models provide an excellent view of the skeletal shape of a molecule.
结果表明，在一定温度范围内，分子形状的非轴对称性可导致系统双轴向列相的产生。
The result obtained shows that at certain temperatures, the biaxial phases are induced by the asymmetry of molecular shape of liquid crystal.
可通过控制交联引发剂用量或辐照剂量来制备性能优异的形状记忆高分子材料。
The shape memory polymers with excellent properties can be prepared by controlling the content of DCP or the dose of irradiation.
根据不同的目的，可依据溶解度，分子形状、大小及电荷性质的差异，对明胶组分进行分离。
According to different purposes, the differences of solubility, shape and size of molecule and charge properties can be used to separate the components of gelatin.
首先对形状记忆功能高分子的特性进行了分析，提出了形状记忆性能的评价指标，即形状回复率、形状固定率、形状回复速度等。
The characters of shape memorizing polymer were analyzed and some evaluations standard on it were proposed, such as shape recovered rate, shape fixed rate and shape recovered speed, etc.
首先对形状记忆功能高分子的特性进行了分析，提出了形状记忆性能的评价指标，即形状回复率、形状固定率、形状回复速度等。
The characters of shape memorizing polymer were analyzed and some evaluations standard on it were proposed, such as shape recovered rate, shape fixed rate and shape recovered speed, etc.
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